On Sat, Aug 27, 2016 at 02:43:31PM +0000, Jason Cooper wrote:
> Hi Corentin,
>
> On Fri, Aug 26, 2016 at 01:11:34PM +0200, LABBE Corentin wrote:
> > Instead of having two global variable, it's better to use a
> > private struct. This will permit to remove amd_pdev variable
> >
> > Signed-off-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
> > ---
> > drivers/char/hw_random/amd-rng.c | 57 ++++++++++++++++++++++++++--------------
> > 1 file changed, 38 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c
> > index 383e197..4ef94e9 100644
> > --- a/drivers/char/hw_random/amd-rng.c
> > +++ b/drivers/char/hw_random/amd-rng.c
> > @@ -47,15 +47,18 @@ static const struct pci_device_id pci_tbl[] = {
> > };
> > MODULE_DEVICE_TABLE(pci, pci_tbl);
> >
> > -static struct pci_dev *amd_pdev;
> > +struct amd768_priv {
> > + struct pci_dev *pcidev;
> > + u32 pmbase;
> > +};
> >
> > static int amd_rng_data_present(struct hwrng *rng, int wait)
> > {
> > - u32 pmbase = (u32)rng->priv;
> > + struct amd768_priv *priv = (struct amd768_priv *)rng->priv;
>
> Please remove unnecessary casts...
Hmm, I was assuming that, like other places in the tree, that priv was
declared void*. However, it's unsigned long in hw_random.h.
And, it looks like all users cast it. Either to a struct, or to a void
__iomem *.
So ignore what I said in my previous email. You can add my reviewed-by
without change.
It does look like /priv/ s/unsigned long/void */ would be a great
cleanup.
thx,
Jason.
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